PROJ00464

• Contract/PO #: FS0001X
• Contractor Name: Bennett, Town of
• Contract Type: Loan
• Water District: 0
• County: Adams
• Loan Projects - Doc Type: Feasibility Study

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Table 6, continued

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NOTES

* Measured flow formula:

QF

29.38 Cd2 ff ; C = 0.90, d ,= 2~", P == measured

(S . 20 .)0.54
tatlc pressure - pSl 0.54
(Static pressure - Flow pressure)

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** Allowable fire flow:

QR = QF

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(1) Indicates that flow is being retarded by hydrant restriction rather than
line capacity.

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Type A Fire Hydrant: Pacific States 4", two-way hydrant with 2-2~" NST
hose connections.

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Type B Fire Hydrant: Ludlow 4", two"'way hydrant with 2-2~" NST hose
cormec tions.

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Type C Fire Hydrant: Hueller 5!.z;", three-way hydrant with 2-2~" NST hose
cOD~ections and one pumper nozzle.

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The test results indicate that the condition of the existing mains is

axcel1ent as far as flow characteristics.' Calculated flow coefficients

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indicate that the pipe flow characteristics would be equivalent to new

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cem~nt or bituminous-lined cast iron pipe with a flow coefficient of 130.

The Town reports that the leaded joints have been failing at the rate

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of approximately one joint per month for the last few years. The joi~ts

are being repaired by recaulking the joint and installing a mechanical

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repair clamp on the joint to hold pressure on the caulking material. The

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reported joint failure rate would indicate that many of the joints may be

seeping or leaking on a continuous basis and a considerable amount of water

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might be escaping back into the groundwater system. Several methods are

available for determining the extent of leakage in the mains. All of these

methods will require substantial work and expense and it is believed that

this work can best be handled during construction of a major improvement

project. It is recommended that those lines which are to be utilized in

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